fix(healthcare): set responseType to JSON in getFhirResource.js

[angelcaamal]

Description

Fixes #

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Checklist

• I have followed guidelines from CONTRIBUTING.MD and Samples Style Guide
• Tests pass: npm test (see Testing)
• Lint pass: npm run lint (see Style)
• Required CI tests pass (see CI testing)
• These samples need a new API enabled in testing projects to pass (let us know which ones)
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• This pull request is from a branch created directly off of GoogleCloudPlatform/nodejs-docs-samples. Not a fork.
• This sample adds a new sample directory, and I updated the CODEOWNERS file with the codeowners for this sample
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• This sample adds a new Product API, and I updated the Blunderbuss issue/PR auto-assigner with the codeowners for this sample
• Please merge this PR for me once it is approved

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[gemini-code-assist]

Summary of Changes

Hello @angelcaamal, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request addresses an issue in the healthcare FHIR sample by configuring the API client to expect JSON responses. This change ensures proper data handling and parsing for FHIR resources, improving the reliability and correctness of the sample's functionality.

Highlights

• FHIR Resource Retrieval: The getFhirResource.js utility now explicitly sets the responseType to json when making API requests, ensuring that responses are correctly parsed as JSON.

Changelog

• healthcare/fhir/getFhirResource.js
  • Added responseType: 'json' to the GoogleAuth client configuration.

Activity

• No human activity has occurred on this pull request yet.

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[gemini-code-assist]

Code Review

The pull request correctly updates the getFhirResource.js sample to set the responseType to 'json' when initializing the Healthcare API client. This ensures that the FHIR resource data returned by the API is automatically parsed into a JavaScript object, which is the expected behavior for FHIR resources in this context. The change is targeted, follows the Google JavaScript Style Guide, and addresses the issue described in the PR title. No issues were identified in the modified code.